annular ridge

例句：

1. 1. The mountain range is home to many unique annular ridges.
   山脉中有许多独特的环形山脊。
2. 2.These annular ridges are formed by the slow movement of tectonic plates.
   这些环形山脊是由地壳板块缓慢移动形成的。
3. 3.The annular ridges provide a unique habitat for various species of plants and animals.
   环形山脊为各种植物和动物提供了独特的栖息地。